NSN 4730-00-810-4499 MS219216, MS21921-6 , MS21921V6P

Product Details | TUBE COUPLING NUT

4730-00-810-4499 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: MS219216, MS21921-6 , MS21921V6P , AS18280, AS21921 , 4730-00-810-4499, 00-810-4499, 4730008104499, 008104499

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
47	01 JAN 1960	00-810-4499	03859 ( NUT, TUBE COUPLING )

Drawings & Photos | NSN 4730-00-810-4499

Part Number	Request Date	QTY	Origin
4730-00-810-4499	2026-02-36	747	DIBBS
4730-00-810-4499	2025-11-313	3052	DIBBS
4730-00-810-4499	2025-10-287	2465	DIBBS
4730-00-810-4499	2025-10-275	2465	DIBBS
4730-00-810-4499	2025-09-272	1907	DIBBS
4730-00-810-4499	2025-09-259	1907	DIBBS
4730-00-810-4499	2025-02-34	1714	DIBBS
4730-00-810-4499	2025-01-23	1714	DIBBS
4730-00-810-4499	2024-10-277	672	DIBBS
4730-00-810-4499	2024-08-228	231	DIBBS
4730-00-810-4499	2024-07-197	100	US
4730-00-810-4499	2024-05-128	2458	DIBBS
4730-00-810-4499	2024-03-88	420	DIBBS
4730-00-810-4499	2024-03-67	165	DIBBS
4730-00-810-4499	2024-02-39	1519	DIBBS
4730-00-810-4499	2024-02-38	1103	DIBBS
4730-00-810-4499	2022-10-304	20	United States
MS219216	2022-07-189	500	US
MS219216	2022-07-189	500	US
4730-00-810-4499	2021-10-287	2270	DIBBS
4730-00-810-4499	2021-07-210	9535	DIBBS
MS219216	2020-04-104	10	us
4730-00-810-4499	2020-03-79	3804	DIBBS
4730-00-810-4499	2020-02-49	4662	DIBBS
MS219216	2018-12-345	50	United States
4730-00-810-4499	2018-11-333	4935	DIBBS
4730-00-810-4499	2018-06-157	6865	DIBBS
MS219216	2018-05-124	50	US
4730-00-810-4499	2017-09-261	3125	DIBBS
MS219216	2017-05-135	2	US
4730-00-810-4499	2015-06-181	2968	DIBBS
MS219216	2015-05-148	500	Singapore
AS18280	2014-10-280	1	US
MS219216	2014-10-279	500	US
MS219216	2013-12-338	250	US
MS219216	2013-10-284	200	Italy
4730-00-810-4499	2013-05-121	1761	DIBBS
AS21921	2013-03-73	20	US
AS21921	2013-03-73	50	US
AS21921	2013-03-73	100	US
MS219216	2013-03-73	50	US
MS219216	2013-03-73	100	US
AS21921	2013-03-73	20	US
AS21921	2013-03-73	50	US
AS21921	2013-03-73	100	US
4730-00-810-4499	2011-11-326	967	DIBBS
4730-00-810-4499	2011-07-211	1190	DIBBS
4730-00-810-4499	2011-02-49	857	DIBBS
MS219216	2010-12-350	30	United States
4730-00-810-4499	2010-11-308	1310	DIBBS
AS21921	2010-04-95	4	Seychelles

Cross Reference | NSN 4730-00-810-4499

Part Number	Cage Code	Manufacturer
4730008104499	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
AS18280	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21921	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21921-6	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21921-6	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21921V6P	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Related Products | NSN 4730-00-810-4499

4730-00-810-4632, 4730-00-810-4700, 4730-00-810-4826, 4730-00-810-5077, 4730-00-810-5078

Technical Data | NSN 4730-00-810-4499

Characteristic	Specifications
THREAD SERIES	UNF
NOMINAL THREAD SIZE	0.438 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
NUT STYLE	A350 TUBE COUPLING
NUT HEIGHT	0.800 INCHES NOMINAL
WIDTH ACROSS FLATS	0.688 INCHES NOMINAL
LENGTH TO SHOULDER	ANY ACCEPTABLE
SMALLEST INSIDE DIAMETER	0.425 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
SEAT ANGLE	45.00 DEGREES NOMINAL
FABRICATION METHOD	MACHINED
NOMINAL TUBE OUTSIDE DIAMETER	0.375 INCHES
SPECIAL FEATURES	SUPPORTS GRUMMAN A10 AIRCRAFT
SPECIFICATION/STANDARD DATA	96906-MS21921 GOVERNMENT STANDARD

Restrictions/Controls & Freight Information | NSN 4730-00-810-4499

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	XX
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 4730-00-810-4499

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	H EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	H EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification Code	K	Reserved
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	H EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	H EA : Each